Answer:
The moon is 384,400 km away from Earth.
Answer:
The twiching that is caused by the air puff is called C) The unconditioned response.
Explanation:
The condition stimulus in this case is the tone sound, because is put there to condition a unconditiones response. An uncondition response which is a normal response or reflex that an animal or a person have to a stimulus. To condition a behafor it is necessary to have both unconditioned stimulus and conditioned stimulus.
Answer:
I think that writing would be necessary for early people because they needed to communicate. Writing emerged in many early civilizations as a way to keep records and better manage money and other things, so it would be important for them to communicate so they could exchange information, like records or money.
